The weather is not predictable for Wyoming and when it's best to plant or replant flowers outdoors. I always seem to put them outdoors too early and they are a lot harder to keep alive and I end up killing a few.

I always get so excited and want to plant on the first sunny days. That is not a good idea and best to wait till it is warm for a few consecutive days and warms up at night. Cheyenne Garden Gossip talks about some great gardening tips for this area and in particular the replanting of flowers outdoors.  April 1 is a good time to start things indoors (seeds) and for outdoors its usually the date of last frost which can be end of May or June 1st.

Most things are after frost which as you read could be close to June 1st. Pansy's and Sunflowers are a couple examples of flowers you can plant early spring